package com.njupt.util;

public class Util {
    public static String getMaxScoreID(String id){
        id = id.substring(id.length()-4);
        Integer num = Integer.parseInt(id);
        num++;
        id = num.toString();
        while(id.length()<4) {
            id = "0"+id;
        }
        return id;

    }
}
